mirror of
https://github.com/thorvg/thorvg.git
synced 2025-06-07 21:23:32 +00:00
f5aa347a70
API modification: - Shape::fillColor() -> Shape::fill() issue: https://github.com/thorvg/thorvg/issues/3116
84 lines
3.2 KiB
C++
84 lines
3.2 KiB
C++
/*
|
|
* Copyright (c) 2021 - 2025 the ThorVG project. All rights reserved.
|
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
|
|
* The above copyright notice and this permission notice shall be included in all
|
|
* copies or substantial portions of the Software.
|
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#include "Example.h"
|
|
|
|
/************************************************************************/
|
|
/* ThorVG Drawing Contents */
|
|
/************************************************************************/
|
|
|
|
struct UserExample : tvgexam::Example
|
|
{
|
|
bool content(tvg::Canvas* canvas, uint32_t w, uint32_t h) override
|
|
{
|
|
if (!canvas) return false;
|
|
|
|
//load the tvg file
|
|
auto picture = tvg::Picture::gen();
|
|
auto result = picture->load(EXAMPLE_DIR"/svg/favorite_on.svg");
|
|
if (!tvgexam::verify(result)) return false;
|
|
picture->size(w, h);
|
|
|
|
auto accessor = unique_ptr<tvg::Accessor>(tvg::Accessor::gen());
|
|
|
|
//The callback function from lambda expression.
|
|
//This function will be called for every paint nodes of the picture tree.
|
|
auto f = [](const tvg::Paint* paint, void* data) -> bool
|
|
{
|
|
if (paint->type() == tvg::Type::Shape) {
|
|
auto shape = (tvg::Shape*) paint;
|
|
//override color?
|
|
uint8_t r, g, b;
|
|
shape->fill(&r, &g, &b);
|
|
if (r == 255 && g == 180 && b == 0)
|
|
shape->fill(0, 0, 255);
|
|
|
|
}
|
|
|
|
//You can return false, to stop traversing immediately.
|
|
return true;
|
|
};
|
|
|
|
if (!tvgexam::verify(accessor->set(picture, f, nullptr))) return false;
|
|
|
|
// Try to retrieve the shape that corresponds to the SVG node with the unique ID "star".
|
|
if (auto paint = picture->paint(tvg::Accessor::id("star"))) {
|
|
auto shape = static_cast<tvg::Shape*>(const_cast<tvg::Paint*>(paint));
|
|
shape->strokeFill(255, 255, 0);
|
|
shape->strokeWidth(5);
|
|
}
|
|
|
|
canvas->push(picture);
|
|
|
|
return true;
|
|
}
|
|
};
|
|
|
|
|
|
/************************************************************************/
|
|
/* Entry Point */
|
|
/************************************************************************/
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
return tvgexam::main(new UserExample, argc, argv);
|
|
}
|